Home / 52,800.09-72,854.87-30,128.73

Finding the Fourth Proportional to 52,800.09, 72,854.87 and 30,128.73

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Solution

The fourth proportional to 52,800.09, 72,854.87 and 30,128.73 is: 41,572.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,800.09 : 72,854.87 = 30,128.73 : x
  2. Step 2: Convert to fraction form
    52,800.09/72,854.87 = 30,128.73/x
  3. Step 3: Cross multiply
    52,800.09x = 72,854.87 × 30,128.73
  4. Step 4: Simplify right side
    52,800.09x = 2,195,024,707.42
  5. Step 5: Solve for x
    x = 2,195,024,707.42/52,800.09
  6. Step 6: Final answer
    x = 41,572.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.